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<?php |
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/* |
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* This file is part of the puli/repository package. |
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* |
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* (c) Bernhard Schussek <[email protected]> |
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* |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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*/ |
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namespace Puli\Repository\Uri; |
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/** |
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* Utility methods for handling URIs. |
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* |
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* @since 1.0 |
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* |
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* @author Bernhard Schussek <[email protected]> |
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*/ |
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final class Uri |
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{ |
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/** |
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* Parses a URI. |
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* |
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* The returned array contains the following keys: |
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* |
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* * "scheme": The scheme part before the "://"; |
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* * "path": The path part after the "://". |
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* |
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* The URI must fulfill a few constraints: |
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* |
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* * the scheme must consist of alphabetic characters only; |
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* * the scheme may be omitted. Then "://" must be omitted too; |
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* * the path must not be empty; |
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* * the path must start with a forward slash ("/"). |
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* |
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* If any of these constraints is not fulfilled, an |
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* {@link InvalidUriException} is thrown. |
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* |
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* @param string $uri A URI string. |
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* |
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* @return string[] The parts of the URI. |
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* |
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* @throws InvalidUriException If the URI is invalid. |
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*/ |
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public static function parse($uri) |
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{ |
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View Code Duplication |
if (!is_string($uri)) { |
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throw new InvalidUriException(sprintf( |
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'The URI must be a string, but is a %s.', |
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is_object($uri) ? get_class($uri) : gettype($uri) |
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)); |
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} |
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if (false !== ($pos = strpos($uri, '://'))) { |
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$parts = array(substr($uri, 0, $pos), substr($uri, $pos + 3)); |
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if (!ctype_alnum($parts[0])) { |
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throw new InvalidUriException(sprintf( |
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'The URI "%s" is invalid. The scheme should consist of '. |
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'alphabetic characters only.', |
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$uri |
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)); |
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} |
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View Code Duplication |
if (!ctype_alpha($parts[0][0])) { |
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throw new InvalidUriException(sprintf( |
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'The URI "%s" is invalid. The scheme should start with a letter.', |
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$uri |
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)); |
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} |
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} else { |
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$parts = array('', $uri); |
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} |
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if ('' === $parts[1]) { |
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throw new InvalidUriException(sprintf( |
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'The URI "%s" is invalid. The path should not be empty.', |
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$uri |
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)); |
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} |
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View Code Duplication |
if ('/' !== $parts[1][0]) { |
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throw new InvalidUriException(sprintf( |
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'The URI "%s" is invalid. The path should start with a '. |
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'forward slash ("/").', |
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$uri |
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)); |
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} |
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return array( |
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'scheme' => $parts[0], |
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'path' => $parts[1], |
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); |
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} |
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private function __construct() |
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{ |
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} |
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} |
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puli /
repository
